Recommended daily intake= 20 mcg

  1. Mushrooms, white, raw (the only source)
    Contain: 18 IU
    %DV: 5 %


Deficiency symptoms

  1. lower respiratory tract infections
  2. Fatigue
  3. Obesity
  4. low back pain
  5. late-life depression

Impaired wound healing



  1. helps the body absorb calcium
  2. normal bone formation
  3. Prevent osteoporosis in adults or rickets in children.
  4. Treatment of Parathyroid hormone deficiency
  5. Improvement of myocardial performance in patients with heart failure
  6. play role in shaping brain development and ongoing function


Overdose: more than 100 mcg

Excess: stored in the body’s fatty tissue.

Type: Fat soluble vitamin






Side effects of hypervitaminosis D:


  1. Calcium deposits in soft tissues such as the heart and lungs
  2. Confusion and disorientation
  3. Damage to the kidneys
  4. Kidney stones
  5. Nausea, vomiting, constipation
  6. poor appetite, weakness, and weight loss